<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table表格区域 -->
      <el-table :data="goodslist" border stripe>
        <el-table-column type="index"> </el-table-column>
        <el-table-column lable="商品名称" prop="goods_name"> </el-table-column>
        <el-table-column lable="商品价格（元）" prop="goods_price" width="90px">
        </el-table-column>
        <el-table-column lable="商品重量" prop="goods_weight" width="70px">
        </el-table-column>
        <el-table-column lable="创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{ scope.row.add_time | dateFormat }}
          </template>
        </el-table-column>
        <el-table-column lable="操作" width="130px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini"
              @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total" background>
      </el-pagination>
    </el-card>
  </div>
</template>
<script>
  export default {
    data() {
      return {
        //查询参数对象
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 10,
        },
        //商品列表
        goodslist: [],
        //总数据条数
        total: 0,
      }
    },
    created() {
      this.getGoodsList()
    },
    methods: {
      //根据分页获取对应的商品列表
      async getGoodsList() {
        const {
          data: res
        } = await this.$http.get('goods', {
          params: this.queryInfo,
        })
        if (res.meta.status !== 200) {
          return this.$message.error('获取商品列表失败!')
        }
        this.$message.success('获取商品列表成功!')
        console.log(res.data)
        this.goodslist = res.data.goods
        this.total = res.data.total
      },
      handleSizeChange(newSize) {
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
      },
      handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage
        this.getGoodsList()
      },
      async removeById(id) {
        const confirmResult = await this.$confirm(
          '此操作将永久删除该商品, 是否继续?',
          '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning',
          }
        ).catch((err) => err)
        if (confirmResult !== 'confirm') {
          return this.$message.info('已经取消删除!')
        }
        const {
          data: res
        } = await this.$http.delete(`goods/${id}`)
        if (res.meta.status !== 200) {
          return this.$message.error('删除失败!')
        }
        this.$message.success('删除成功!')
        this.getGoodsList()
      },
      goAddpage() {
        this.$router.push('/goods/add')
      },
    },
  }
</script>
<style lang="less" scoped>
</style>